| <!DOCTYPE html> |
| <html class=reftest-wait> |
| <title>Tests 'anchor-center' value when target visibility changes (by changing 'display', 'visibility', or popover trigger)</title> |
| <link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#valdef-justify-self-anchor-center"> |
| <link rel="author" href="mailto:plampe@igalia.com"> |
| <link rel="author" href="mailto:kiet.ho@apple.com"> |
| <link rel="match" href="anchor-center-visibility-change-ref.html"> |
| <script src="/common/reftest-wait.js"></script> |
| <script src="/common/rendering-utils.js"></script> |
| <style> |
| .container { |
| width: 100px; |
| height: 100px; |
| border: solid 3px; |
| position: relative; |
| margin: 50px; |
| } |
| |
| .anchor { |
| anchor-name: --anchor; |
| position: relative; |
| width: 50px; |
| height: 50px; |
| left: 40px; |
| top: 5px; |
| background: lime; |
| } |
| |
| .target { |
| position-anchor: --anchor; |
| position: absolute; |
| } |
| |
| .target-inner { |
| width: 30px; |
| height: 20px; |
| } |
| |
| #target-1 { |
| justify-self: anchor-center; |
| background: cyan; |
| display: none; |
| } |
| |
| #target-2 { |
| align-self: anchor-center; |
| background: blue; |
| visibility: hidden; |
| } |
| |
| #target-3 { |
| align-self: anchor-center; |
| justify-self: anchor-center; |
| background: magenta; |
| |
| /* Override default popover style */ |
| margin: 0; |
| padding: 0; |
| border: none; |
| } |
| </style> |
| |
| <div class="container"> |
| <div class="anchor"></div> |
| <div id="target-1" class="target"> |
| <div class="target-inner"></div> |
| </div> |
| <div id="target-2" class="target"> |
| <div class="target-inner"></div> |
| </div> |
| <div id="target-3" class="target" popover> |
| <div class="target-inner"></div> |
| </div> |
| </div> |
| |
| <script> |
| // Targets should be invisible initially. |
| waitForAtLeastOneFrame().then(() => { |
| // Change targets to be visible. |
| document.getElementById('target-1').style.display = 'flow'; |
| document.getElementById('target-2').style.visibility = 'visible'; |
| document.getElementById('target-3').showPopover(); |
| |
| waitForAtLeastOneFrame().then(() => { |
| // Targets should be visible now. |
| takeScreenshot(); |
| }); |
| }); |
| </script> |
